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Gwangju Institute Of Science And Technology patents


Recent patent applications related to Gwangju Institute Of Science And Technology. Gwangju Institute Of Science And Technology is listed as an Agent/Assignee. Note: Gwangju Institute Of Science And Technology may have other listings under different names/spellings. We're not affiliated with Gwangju Institute Of Science And Technology, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "G" | Gwangju Institute Of Science And Technology-related inventors


Image sensing apparatus, image sensing method, distance measuring apparatus, and distance measuring method

There is provided an image sensing apparatus according to the present invention including: an image recovery portion which recovers an image from a sensed image by using a digital signal processing technique which uses a sparse representation for each measurement matrix; and a distance measurement portion which measures a distance... Gwangju Institute Of Science And Technology

Apparatus and detecting a state of a driver based on biometric signals of the driver

An apparatus and a method is provided for detecting biometric signals of a driver and classifying the driver into a normal state or a fatigued state based on the biometric signals. An apparatus may include: a biometric signal measuring part configured to measure the biometric signals including a blood flow... Gwangju Institute Of Science And Technology

Heat transfer device

An embodiment relates to a heat transfer device including a heat generating device configured to generate heat having predetermined intensity by a user, a cover in contact with a body of the user while covering the heat generating device, and a heat transfer medium provided between the heat generating device... Gwangju Institute Of Science And Technology

Reram using stack of iron oxide and graphene oxide films

There is provided a non-volatile memory device comprising: a substrate; a lower electrode disposed on the substrate; a resistance layer disposed on the lower electrode; and an upper electrode disposed on the resistance layer, wherein the resistance layer include a stack of a graphene oxide film and an iron oxide... Gwangju Institute Of Science And Technology

Multi-enzyme conjugate, preparing the same and preparing organic compound using the same

The present disclosure relates to a multi-enzyme conjugate, a method for preparing the same and a method for preparing an organic compound using the same. More particularly, a multi-enzyme conjugate exhibiting improved catalytic efficiency over respective free enzymes using site-specific incorporation of a clickable non-natural amino acid into the enzymes... Gwangju Institute Of Science And Technology

Metal-graphene heterojunction metal interconnects, forming the same, and semiconductor device including the same

Disclosed herein are a metal-graphene heterojunction metal interconnect, a method of forming the same, and a semiconductor device including the same. The method includes: a) forming a carbon source layer by depositing a carbon source on a top surface of a substrate; b) forming a metal catalyst layer by depositing... Gwangju Institute Of Science And Technology

Chemical element analysis device and contaminants in liquid

The present invention relates to a chemical element analysis device and method for contaminants in a liquid. The chemical element analysis device for contaminants in a liquid according to the present invention comprises: a sample storage unit 10 for storing a sampled liquid sample 1; a laser unit 20 for... Gwangju Institute Of Science And Technology

Low frequency ultrasonic communication system, low frequency ultrasonic communication method, low frequency ultrasonic transmitting apparatus, and low frequency ultrasonic receiving apparatus

A low frequency ultrasonic communication system includes: a low frequency ultrasonic transmitting apparatus configured to transmit data using a low frequency ultrasonic wave; and a low frequency ultrasonic receiving apparatus configured to recover the data by processing a low frequency ultrasonic reception signal transmitted from the low frequency ultrasonic transmitting... Gwangju Institute Of Science And Technology

Ultraviolet light emitting diode and manufacturing the same

A sidewall light emitting ultraviolet light emitting diode and a method of manufacturing thereof are disclosed. A light emitting structure is formed in an active region recessed from a substrate surface, and the light emitting structure is formed by growth in a direction parallel to the surface of the substrate.... Gwangju Institute Of Science And Technology

Full-duplex communication multi-hop wireless network

A full-duplex communication method for a multi-hop wireless network including a source end for transmitting data, a destination end as a destination of the data and at least one relay for connecting the source end and the destination end wirelessly includes sending a transmission request from the source end to... Gwangju Institute Of Science And Technology

Device for generating and detecting photo mixing-type continuous-wave terahertz using phase noise compensation method

An embodiment of the present invention provides a continuous-wave terahertz generation and detection device using a photomixing technique, the device including: first and second light source units configured to output continuous-wave laser light sources, which have single wavelength and different frequencies, to generate optical signals; a first electro-optic phase modulator... Gwangju Institute Of Science And Technology

Holographic characterization and playback apparatus

A holographic characterization and playback apparatus is provided, which includes a light source, an optical path-forming optical system for separating the light emitted from the light source into a probe light and a reference light of different polarizations, and combining optical paths of the probe light and the reference light.... Gwangju Institute Of Science And Technology

Pharmaceutical compositions for preventing and treating th1 or th2 mediated immune disease comprising 4h3mc(4-hydroxy-3-methoxycinnamaldehyde) as an active ingredient

The present invention relates to a pharmaceutical composition for preventing or treating Th1- or Th2-mediated disease, which comprises 4H3MC (4-hydroxy-3-methoxycinnamaldehyde) as an active ingredient. 4H3MC (4-hydroxy-3-methoxycinnamaldehyde) according to the present invention shows the effect of inhibiting T-cell activity without inducing T-cell death. Thus, 4H3MC (4-hydroxy-3-methoxycinnamaldehyde) according to the present invention... Gwangju Institute Of Science And Technology

Method for three-dimensional imaging using upconverting nanoparticles

The present disclosure relates to a method for three-dimensional imaging, including introducing upconverting nanoparticles into a sample, illuminating near-infrared laser such that upconverting nanoparticles introduced into a sample is excited, detecting a visible ray emitted from the excited upconverting nanoparticles and capturing and acquiring two-dimensional images by scanning the sample... Gwangju Institute Of Science And Technology

Display system based on hologram and hologram display method using the same

The present disclosure relates to a holographic display system including: a projection object having a three-dimensional shape corresponding to an original item; an image projection unit comprising projectors projecting unit images of parts selected from a three-dimensional image of the original item on the projection object; and a reflector disposed... Gwangju Institute Of Science And Technology

Graphene-semiconductor schottky junction photodetector of having tunable gain

Disclosed herein is a photodetector utilizing graphene. A single-layer graphene channel is formed on a semiconductor substrate doped with n-type impurity. The graphene channel has an end connected to a source electrode and is physically separated from a drain electrode. Light having passed through a gate insulation layer and a... Gwangju Institute Of Science And Technology

Apparatus and brain computer interface

The present disclosure discloses an apparatus for a brain computer interface (BCI) including a feature extraction filter trainer for training a feature extraction filter which minimizes an influence of a background brain wave while maximizing a difference between intended brain waves; and a classifier trainer for training a classifier for... Gwangju Institute Of Science And Technology

Orthogonal patterning method

The present invention relates to a method for forming a layer, to be patterned, of an element by using a fluorinated material, which has orthogonality, and a solvent, the method comprising: a first step of printing with the fluorinated material so as to form, on a surface of a substrate,... Gwangju Institute Of Science And Technology

Graphene transistor and ternary logic device using the same

Disclosed is a graphene transistor using graphene as a channel region and a logic device using the same. A doping metal layer is provided over a graphene channel of the graphene transistor. The doping metal layer has a work function higher or lower than that of the graphene. When the... Gwangju Institute Of Science And Technology

Lspr-based high sensitivity aptamer sensor using intercalation agent

Disclosed herein is an aptamer sensor including a substrate having metal nanoparticles formed thereon, an aptamer attached to surfaces of the metal nanoparticles to form a structure by selectively reacting with a target material to be detected, and an intercalating agent inserted between the aptamer and the target material in... Gwangju Institute Of Science And Technology

Optical characteristic measuring apparatus using interrogation optical fiber, optical fiber sensor system having the same, and optical characteristic measuring method

The disclosure relates to an optical characteristic measurement system including at least: a light source unit which outputs an input beam of a specific wavelength; a sensing unit which generates a signal beam by using a sensor whose optical characteristic is affected by an external environment condition; and a measuring... Gwangju Institute Of Science And Technology

Detection heavy metal ions and sensor using the same

The present invention relates to a heavy metal ion detection method and sensor which can ascertain the presence of heavy metal ions based on a precipitation reaction with a reaction solution without using a receptor and is reusable after being washed. The heavy metal ion detection method includes: mixing a... Gwangju Institute Of Science And Technology

Metamaterial-based electromagnetic wave polarization converter

Provided is a metamaterial-based polarization converter in which a reception antenna and a transmission antenna are formed by using a metamaterial, to thus emit an incident non-polarized or polarized electromagnetic wave in an angle-converted polarization direction. The metamaterial-based electromagnetic wave polarization converter includes: a reception antenna made of a metamaterial... Gwangju Institute Of Science And Technology

Composition for improving skin conditions, containing chlorophyll a or pheophorbide a

The present disclosure provides a composition for improving skin condition comprising chlorophyll a or pheophorbide a as an active ingredient. According to the present disclosure, chlorophyll a or pheophorbide a exhibits an effect of improving skin wrinkles and inflammatory reaction due to ultraviolet lights. The composition of the present disclosure... Gwangju Institute Of Science And Technology

Method for generating surround channel audio

A method includes extracting a difference value through extraction of features of a front audio channel signal and a surround channel of multichannel sound content by setting the front audio channel signal and the surround channel as input and output channel signals, respectively, training a deep neural network (DNN) model... Gwangju Institute Of Science And Technology

Composition for inducing cell reprogramming

The present invention relates to a composition for inducing cell reprogramming. The indazole derivative compound contained in the composition of the present invention shows an improved biological profile and at the same time can perform efficient cell reprogramming. In addition, unlike conventional compounds (e.g. riversine or BIO) for inducing low-molecular... Gwangju Institute Of Science And Technology

Cilia-assisted transfer printing of elctronic devices

The present disclosure relates a method for transfer printing of an electronic device comprising: forming a sacrificial layer on a handling substrate; forming a protective layer on the sacrificial layer; forming a polymer substrate on the protective layer; forming a pattern on the polymer substrate, and forming a ciliary adhesive... Gwangju Institute Of Science And Technology

Sediment type microbial fuel cell

A sediment microbial fuel cell is provided. More specifically, the present invention provides a sediment microbial fuel cell characterized by comprising: an oxide electrode unit located within the sediment of polluted water; a reduction electrode unit located adjacent to the water surface within the water; and a solid matter separator... Gwangju Institute Of Science And Technology

Blood coagulation testing apparatus

A blood coagulation testing apparatus for determining compatibility between donor's blood and patient's blood before blood transfusion. The blood coagulation testing apparatus includes: a cylindrical main body connected at one end thereof to a supply tube for delivering donor's blood and connected at the other end thereof to a blood... Gwangju Institute Of Science And Technology

Aptamer for specifically detecting patulin and patulin detection method using the same

An aptamer for specifically detecting patulin and a method for detecting patulin using the same. The aptamer for specifically detecting patulin is a single-stranded DNA aptamer serving as a bioreceptor capable of effectively detecting patulin. Since such an aptamer for specifically detecting patulin is capable of specifically binding to patulin... Gwangju Institute Of Science And Technology

Composite membrane and manufacturing the same

Disclosed are a composite membrane and a method of manufacturing the same. More particularly, disclosed are a composite membrane, which includes a porous support and an active layer deposited on a surface of the porous support, and a method of manufacturing the composite membrane using concentration polarization of a network-nanoparticle-dispersed... Gwangju Institute Of Science And Technology

Method of manufacturing multiple microelectrodes on needle and needle manufactured by the same

Disclosed herein are a method of manufacturing multiple microelectrodes on a syringe needle and a syringe needle manufactured by the same. The syringe needle includes multiple interdigitated electrodes (IDEs) placed on a surface of a portion of the syringe needle spaced apart from a tip of the syringe needle, a... Gwangju Institute Of Science And Technology

Apparatus and measuring erythrocyte sedimentation rate

An apparatus and method for measuring an erythrocyte sedimentation rate based on a change in conductivity of blood over time. The apparatus for measuring an erythrocyte sedimentation rate may include: a chamber for holding blood; a pair of electrodes being partially or completely brought into contact with the blood; and... Gwangju Institute Of Science And Technology

Method of enhancing speech using variable power budget

Disclosed herein is a method of enhancing speech. The method includes calculating a far-end speech spectrum by performing fast Fourier transformation of a signal received by a far-end user, calculating a background noise spectrum collected by a microphone provided to a mobile device of a near-end user; calculating a gain... Gwangju Institute Of Science And Technology

Light emitting diode and manufacturing method therefor

A light emitting diode and a manufacturing method therefore are provided. The light emitting diode includes at least: a first light emitting structure, formed on a substrate, in which a first n-GaN layer, a first active layer and a first p-GaN layer are sequentially layered; a first n-type electrode formed... Gwangju Institute Of Science And Technology

05/04/17 / #20170121191

Capacitive deionization electrode comprising activated coffee grounds, preparation method thereof and water treatment device comprising the same

Disclosed herein are a capacitive deionization electrode including activated waste coffee grounds, a method of manufacturing the same, and a water-treatment apparatus including the same. The capacitive deionization electrode includes activated waste coffee grounds having a large specific surface area and an appropriate pore size distribution. The water-treatment apparatus includes... Gwangju Institute Of Science And Technology

04/27/17 / #20170115247

Apparatus, measuring electrical properties of biological sample and assessing degree of aging of biological sample

An apparatus for measuring electrical properties of a biological sample. The apparatus includes: a first channel through which a biological sample flows; a second channel formed above or below the first channel; and a plurality of electrodes adjoining the first channel and measuring electrical properties of the biological sample.... Gwangju Institute Of Science And Technology

04/27/17 / #20170116782

Installation space exploration a substance and readable media having the program therefor

The present invention relates to a method for exploring an installation space of an article. The method includes: acquiring a point cloud of an indoor space including a number of point data with three-dimensional scanning; acquiring obstacle data and passage data from the point cloud; and exploring an installation space... Gwangju Institute Of Science And Technology

04/27/17 / #20170117638

Array antenna

Disclosed herein is an array antenna in which a plurality of radiating elements is arranged. The array antenna includes: a first layer comprising a first substrate forming an upper portion of the array antenna and a plurality of radiating elements disposed on the first substrate; a second layer comprising a... Gwangju Institute Of Science And Technology

04/20/17 / #20170106102

Nanoparticles for diagnosis and treatment of tumors

Disclosed herein are nanoparticles for diagnosis or treatment of tumors. The nanoparticles include: (a) a core including a Prussian blue dye; and (b) a shell obtained by partially or completely coating a surface of the Prussian blue core with albumin, thereby diagnosing a tumor by a nuclear magnetic resonance imaging... Gwangju Institute Of Science And Technology

04/20/17 / #20170106340

Desalination seawater using pressure-assisted forward osmosis and reverse osmosis

Disclosed herein is a seawater desalination apparatus using pressure-assisted forward osmosis and reverse osmosis. The seawater desalination apparatus includes: a forward osmosis unit receiving seawater and sewage; and a reverse osmosis unit receiving diluted seawater from the forward osmosis unit, wherein the forward osmosis unit comprises a first train arrangement... Gwangju Institute Of Science And Technology

04/13/17 / #20170101660

Enzyme-immobilized porous membrane and preparation antibiotics using the same

In addition, it is possible to provide antibiotics with a high yield by preparing the antibiotics by passing the reactant solution through the enzyme-immobilized porous membrane.... Gwangju Institute Of Science And Technology

04/13/17 / #20170103776

Sound detection recognizing hazard situation

A method of detecting a particular abnormal sound in an environment with background noise is provided. The method includes acquiring a sound from a microphone, separating abnormal sounds from the input sound based on non-negative matrix factorization (NMF), extracting Mel-frequency cepstral coefficient (MFCC) parameters according to the separated abnormal sounds,... Gwangju Institute Of Science And Technology

03/09/17 / #20170065939

Membrane based on graphene and manufacturing same

Disclosed herein are a graphene-based membrane and a method of manufacturing the same. The graphene-based membrane includes: monolayer graphene containing defects; a deposition layer disposed on the defects; and nanopores surrounded by the deposition layer. The method of manufacturing a graphene-based membrane includes forming a monolayer graphene sheet and partially... Gwangju Institute Of Science And Technology

03/09/17 / #20170068045

Optical fiber having a cladding layer doped with metal nano-particles, coreless optical fiber, and manufacturing same

The present invention relates to an optical fiber for an SPR sensor, characterized in that the optical fiber is comprised of a core layer and a cladding layer surrounding the core layer, and the cladding layer is doped with metal nanoparticles.... Gwangju Institute Of Science And Technology

03/02/17 / #20170055838

Ultraslow light and nondegenerate phase conjugation-based real-time, non-invasive, in-vivo deep-tissue optical imaging apparatus, photodynamic therapy apparatus, optical imaging method and photodynamic therapy method

The present invention provides a method which can significantly increase the signal-to-noise ratio of an ultrasound-modulated optical signal by overcoming the shallow depth problem of in vivo optical imaging in existing optical imaging by use of a quantum optical phenomenon based on ultraslow light and nondegenerate phase conjugation and which... Gwangju Institute Of Science And Technology

03/02/17 / #20170063019

Optical fiber laser device and optical fiber laser providing method

Disclosed herein is an optical fiber laser device including a seed unit for providing at least two seed lights having different wavelengths; and an amplifying unit for amplifying the at least two seed lights. The amplifying unit includes: a preamplifying unit for amplifying the at least two seed lights by... Gwangju Institute Of Science And Technology

02/16/17 / #20170045484

Amino acid-based compound for detecting carbon dioxide, carbon dioxide chemical sensor and carbon dioxide detection method using the same

The present invention relates to an amino acid-based compound for detecting carbon dioxide, and to a carbon dioxide chemical sensor and a carbon dioxide detection method using the compound, wherein the compound having selectivity with respect to carbon dioxide exhibits a high selectivity to carbon dioxide and thus may detect... Gwangju Institute Of Science And Technology

02/09/17 / #20170038375

Complex for detecting target material and detecting target material using the same

According to the present disclosure, different target materials in samples can be quantified or detected accurately based on luminescence resonance energy transfer (LRET) of the upconverting nanoparticles (UCNPs) excited by a near infrared (NIR) light source.... Gwangju Institute Of Science And Technology

01/12/17 / #20170010249

Method for detecting cadmium and kit for detecting cadmium using fluorescence intensity according to formation of cadmium nanocluster

The present invention relates to a method for detecting cadmium capable of easily, rapidly, and simply detecting cadmium quantitatively and qualitatively by sequentially adding albumin and a reducing agent to a sample, the albumin and the reducing agent inducing synthesis of a cadmium nanocluster capable of measuring a change in... Gwangju Institute Of Science And Technology








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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